Update CHANGELOG.md

Author: thijskok

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [3.1.0] - 2024-05-15
+## [3.1.0] - 2024-05-14
 ### Updated
 - Improved exception handling